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Finding the Fourth Proportional to 9,265.95, 12,786.93 and 5,016.93

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Solution

The fourth proportional to 9,265.95, 12,786.93 and 5,016.93 is: 6,923.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,265.95 : 12,786.93 = 5,016.93 : x
  2. Step 2: Convert to fraction form
    9,265.95/12,786.93 = 5,016.93/x
  3. Step 3: Cross multiply
    9,265.95x = 12,786.93 × 5,016.93
  4. Step 4: Simplify right side
    9,265.95x = 64,151,132.72
  5. Step 5: Solve for x
    x = 64,151,132.72/9,265.95
  6. Step 6: Final answer
    x = 6,923.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.